12330444 has 48 divisors (see below), whose sum is σ = 33103616. Its totient is φ = 3499200.

The previous prime is 12330443. The next prime is 12330473. The reversal of 12330444 is 44403321.

12330444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 12330444.

It is not an unprimeable number, because it can be changed into a prime (12330443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14799 + ... + 15609.

Almost surely, 2^12330444 is an apocalyptic number.

12330444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12330444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16551808).

12330444 is an abundant number, since it is smaller than the sum of its proper divisors (20773172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12330444 is a wasteful number, since it uses less digits than its factorization.

12330444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 12330444 is about 3511.4731951134. The cubic root of 12330444 is about 231.0253153418.

Adding to 12330444 its reverse (44403321), we get a palindrome (56733765).

The spelling of 12330444 in words is "twelve million, three hundred thirty thousand, four hundred forty-four".